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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LM3915N Fiches technique(PDF) 23 Page - National Semiconductor (TI) |
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LM3915N Fiches technique(HTML) 23 Page - National Semiconductor (TI) |
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23 / 25 page  Connection Diagram Dual-in-Line Package 00510432 Top View Order Number LM3915N-1 See NS Package Number NA18A Order Number LM3915N * See NS Package Number N18A *Discontinued, Life Time Buy date 12/20/99 Definition of Terms Absolute Accuracy: The difference between the observed threshold voltage and the ideal threshold voltage for each comparator. Specified and tested with 10V across the inter- nal voltage divider so that resistor ratio matching error pre- dominates over comparator offset voltage. Adjust Pin Current: Current flowing out of the reference adjust pin when the reference amplifier is in the linear region. Comparator Gain: The ratio of the change in output current (I LED) to the change in input voltage (VIN) required to pro- duce it for a comparator in the linear region. Dropout Voltage: The voltage measured at the current source outputs required to make the output current fall by 10%. Input Bias Current: Current flowing out of the signal input when the input buffer is in the linear region. LED Current Regulation: The change in output current over the specified range of LED supply voltage (V LED) as mea- sured at the current source outputs. As the forward voltage of an LED does not change significantly with a small change in forward current, this is equivalent to changing the voltage at the LED anodes by the same amount. Line Regulation: The average change in reference output voltage (V REF) over the specified range of supply voltage (V +). Load Regulation: The change in reference output voltage over the specified range of load current (I L(REF)). Offset Voltage: The differential input voltage which must be applied to each comparator to bias the output in the linear region. Most significant error when the voltage across the internal voltage divider is small. Specified and tested with pin 6 voltage (V RHI) equal to pin 4 voltage (VRLO). Relative Accuracy: The difference between any two adja- cent threshold points. Specified and tested with 10V across the internal voltage divider so that resistor ratio matching error predominates over comparator offset voltage. www.national.com 23 |
Numéro de pièce similaire - LM3915N |
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Description similaire - LM3915N |
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